#region " LICENSE "
// DRILL - Dependency Resolution Interface Layer Library
// Copyright (c) 2008-2012 Wade A. Reynolds. All rights reserved.
// http://drill.codeplex.com/
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#endregion
using System;
using NUnit.Framework;

namespace Drill.Core.Utilities
{
    [TestFixture]
    public class DisposeUtilityTests
    {
        private class DisposableTestObject : IDisposable
        {
            public bool IsDisposed { get; private set; }

            public void Dispose()
            {
                IsDisposed = true;
            }
        }

        private class NonDisposableTestObject
        {
            public bool IsDisposed { get; private set; }

            public void Dispose()
            {
                IsDisposed = true;
            }
        }

        [Test]
        public void DisposeIfPossibleWithNullObjParameter()
        {
            DisposeUtility.DisposeIfPossible(null);
            // Nohting to assert.
            // Should not throw an exception.
        }

        [Test]
        public void DisposeIfPossibleWithDisposableTestObject()
        {
            DisposableTestObject obj = new DisposableTestObject();
            DisposeUtility.DisposeIfPossible(obj);

            Assert.That(obj.IsDisposed, Is.True);
        }

        [Test]
        public void DisposeIfPossibleWithNonDisposableTestObject()
        {
            NonDisposableTestObject obj = new NonDisposableTestObject();
            DisposeUtility.DisposeIfPossible(obj);

            Assert.That(obj.IsDisposed, Is.False);
        }
    }
}